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E90/E91/E92/E93 (2006 - 2013) The E9X is the 4th evolution of the BMW 3 series including a highly tuned twin turbo 335i variant pushing out 300hp and 300 ft. lbs. of torque. BMW continues to show that it sets the bar for true driving performance! -- View the E9X Wiki

Those look like M3 wheels which means the rear wheel back spacing known at ET is large like 47 the front I think is 26 or 27 ET. I installed 19" on my E93 with no issues in the rear and I installed 10 mm spacers in the front. As is the front wheels will most likely contact the strut towers and rub.

Suggest you verify those are 19" M3 wheels and visit realoem.com to get the back spacing there. I would test fit these with your friend as part of the deal because you will have some fitment issues meaning without some adjustments they will not fit directly.